Hi, We have a long list of color name: Color.Red, Color.Green, Color.Green.... If I want to get the list of all color name (certainly by programming), how to that ? Thanks ...more >>

Hi, I know that in C#, destructor is a finalize method. This means that the destructor is only called when the Garbage collector does it job. But the the GC is always does it job when the memory is full. Is there any thing wrong ? If it is true, now we consider GDI object (such as Image, Grap...more >>

I need to convert the foxpro dbf file to sqlserver 2000 with the using of .net.(C# / VB.net) can any one help me regd this. like any code snip, or any useful links. Thanks in advance Dhivakar......more >>

Here is my code: TreeNodeCollection nodes = tvwFolders.Nodes; if (nodes.Count > 0) { // Select the root node tvwFolders.SelectedNode = nodes[0]; } I hope there is an easier way. I looked at TreeView.TopNode, but that is the top "visible" node. I would think that getting the absolut...more >>

error CS0117: 'System.Collections.ArrayList' does not contain a definition for 'Item' Only one answer in Google Groups, and I'm positive I'm using it correctly...! Posts is my ArrayList. I put in some posts: for (i = 0; i < 15; i++) { myPost = new Post(); myPost.Key = i; ...more >>

a.. When creating COM component with .NET, what would be the limitations? Can I use try catch, constructors, destructors, etc? When running the components on COM+, I would need .NET Framework installed on the Application Server? Right? b.. Why there's no COM template in C# as I have in VB.NE...more >>

a.. In Java, GC.Collect schedules the collection. As far as I know, in ..NET, it runs immediately after calling the method. Is that right? b.. Should I use exception handling (try-catch) to avoid inconsistencies that can occur in the Dispose method? For example, a connection is closed, and t...more >>

a.. How can I capture the event that happens when the user changes the language in Control Panel's Regional Settings to automatically refresh the interface of my application, which is configured for multiple languages? thanks very much, ...more >>

a.. How can I return all the values in a enumerator. I tried like the following, but it doesn't work and there are no examples in the VS Help: enum test {a, b, c} Console.WriteLine(Enum.GetNames(test)); thanks, ...more >>

I am new to web services and want to expose a C# program through web services (soap or otherwise) that will have a service with cached data running on a server that clients can make requests to without instanciating the (data) classes locally. I see many examples of using web services where...more >>

NEWBIE : I am making a program (pretty small). BUt somehow, it takes about 5 seconds to load the program. I wonder what kinds of objects or codes make program to load slowly. ...more >>

Does anyone know where I can get an sdk to extract a PDF document as text, I know Adobe do one, but they want me to pay for it :( Ideally I would like a .Net (C#) version,but if not a good old C\C++ version will do Cheers in Advance Ollie ...more >>

Dear Friends, I have created Application using VC#. How do to the following tasks? The user should not be allowed to exit the program: the start menu, end task and all other ways of exiting the program should be disabled. The Shift+Ctrl+Q (or other keystroke combination) should be the o...more >>

Hello, I have a c# class that holds a large matrix of data. I overrode the standard +, - operators but I also need to override the += and -= operators in order to avoid making a copy of the entire matrix. The code below should explain... From what I can tell, the ECMA spec does not allow fo...more >>

Hi All, Did somebody see the situation when the VS refuses to debug the Web Service at all? I can't catch why, the initially created Web Service can be debugged very easy but after some changes in a source code, maybe the source code becomes bigger that some hidden threshold, the debugger can'...more >>

Hi: I've tried to use Hashtable.Item property, which should return a value according to the key assigned. But it returns an error saying the function does not exist in the class (it did not show up under intellisense either when I typed in the letter). Can someone tell me if this is a ...more >>

After I assign a role to a user how can I read what role the user is in later on other than checking User.IsInRole ()? Is there a way to directly read the user's current role as a string value?...more >>

How can I convert '07/04/03' to 'July 4, 2003'? thanks, VM ...more >>

Hi, I have a challenging question in GDI+ graphics programming. I have a Panel Control painted with some rectangles and lines. Also I have some Label Controls inside the Panel Control. The Label Control can be moved inside the Panel Control. "But the Problem is when I move a Label Control...more >>

Hi, I want to get the name of the calling function of an executing function, I use the StackTrace class to do this and it seems working. However, does anyone think that there any side effect towards this approach such as how would it works in multi-thread. Thanks Tony // call the HI...more >>

I have an ArrayList which stores x number of "Policy" objects, where x is the number of rows returned from a earlier SQL query (therefore it is changeable). Each "Policy" has a few methods within it that returns values. How do I display a row of information for each "Policy" (stored in the ...more >>

Does anyone have an example of how to connect to an Oracle 8i DB and run a simple select through ODBC? What DLLs should I need? Assume that the PC where the web werver's at only has the .Net framework and Oracle8i installed. John ...more >>

Hi If I use DataGridColumnStyle to add column style do I need to add the column also? or will it add the column already? Thanks, Ronen ...more >>

I'm setting up an interface where clients must perform external locking before calling certain commands. I do this to force them to specify the duration the action they performed must persist before any other threads can be allowed to perform some action. My object exposes a Mutex which is loc...more >>

Has anyone out there done this? I currently have a MMC application that is written in Delphi and we are considering rewriting in C#. I've been looking for info but haven't had much luck thus far. Any possible resources would be appreciated. ...more >>

Does web.config save the last error message the page generated? I seem to be getting the same error regardless of the code. John ...more >>

Hi I'm wondering if there's a technique to deserialize objects which were serialized with an earlier version of the class. Example: // version 1 class { string myString; int myInt; } is serialized to myobject.xml In an update version of my app, I need to deseriali...more >>

If I'm running a web application from my web server (//localhost) and I decide to modify the code with Notepad (mypage.aspx.cs), how can I tell the browser to load the last correction I made? I jut realized that, even if I made some changes to the code, I get the same error I did before (eg. I d...more >>

I wanted to know how you would associate a file extenstion with a c# program. For instance, I wanted to allow a user to double click a .org file, and then have it open in my org program (which is an mdi app). Also, if the org program is already open, i wanted the clicked file to open as another ...more >>

hello Does anybody know how to embed a flash player in to a c# project? regards.. ...more >>

I'm porting a small piece of Java that will fetch HTML from a secured web page. The Java code was purposely written to accept any client certificate - even out of date certificates. This was accomplished by implementing an X509TrustManager that accepted any certificate. I'm trying to underst...more >>

Assume that you would like to create a custom collection class that is: 1. Strongly-typed (only holds Customer objects) 2. Read-only (user cannot add Customer objects) 3. Able to be bound to a winforms datagrid (must implement the IList interface). What would be a good way to create this...more >>

I would like to add a reference to my project manually. Is there somewhere in the IDE where I can see and modify all of this project's references? Thanks, VM ...more >>

Hi, I wrote a c# programme that listens to incoming TCP requests and services them. This programme is meant to be running as long as the server its installed on is running. So we assume for ever(!). My problem is that I have it running for 2 days now on my pc (win2Ksp3 P4 2GHz,512MB Ram - fram...more >>

Hello, I am using Visual Studio .Net and am new to web development. I have added a CheckBoxlist to my web form (.aspx) and am populating the checkboxlist from a table in the database and am selecting 4 options (as default) in the Page_load event of the form. Now when the user selects more op...more >>

I am writing a Windows Forms application and am testing the values of two different columns of two different records, to see if they are equal or not. If they are equal, then it is supposed to assign the value of true to a bool variable. Here is the relevant code snippet: bTmp = false; forea...more >>

Using XML comments with the following code works correctly: using System; using System.Runtime.InteropServices; namespace test { //[ClassInterfaceAttribute(ClassInterfaceType.AutoDual)] /// <summary>Summary description for temp1.</summary> public class temp1 { /// <summary></summary...more >>

I have an inventory program. I want to scan a barcode, which will then run a queuery on a MS Access table and from that queuery populate the data text boxes. Here is a step through: 1. Scan Barcode 2. Barcode dumps number to text box 3. Scanner sends a tab to the computer 4. On Tab, que...more >>

Hi, When documenting my code using comment web pages from the visual studio .Net 2002 ide, it seems that it ignores the <example> tag. Except for this tag everything works fine. Can I customize the web pages to include examples? brgds Jesper. /// <summary> /// The GetZero method. ...more >>

I have an existing C++ Wmi App developed with v6.0 that I am now converting to C#. To do so I need FCL Namespace System.Management but "Using System.Management;" bombs out with a build error saying "Management does not exist in namespace System". I have all the latest SDKs, am using VS ....more >>

I'm trying to create a chat program, however I find it most of the time these days clients use HTML or some sort of markup language to render text on the screen. My question is how would I render HTML without using MSHTML/IE? I already have a feeling that I'll have to create my own control. How ...more >>

I'm thinking about write a Math Random class for C#, anyone one can give some idea...? Thanks in advantage... Hector....more >>

Hi! Does anybody know how to send a keystroke C#? In C++ it's done by: keybd_event ( ... ) or SendInput ( ... ). What namespace does include this counterpart? Thanks Ralf...more >>

I am creating a front end that will access a SQL database and I want to create a DROP DOWN control that will display the databases and tables available from a SQL2000 server. Much like the one in the Import/Export menus in SQL2000 Enterprise Manager. Does anyone know the class in C# to do tha...more >>

Hi, I am working on Windows Forms with C#. Cud ne one tell me which is the control in C# that I can use in place of InputBox in VB.NET for Windows Forms? Thanx in advance, Sid :) ...more >>